/**
 * Copyright (C) 2014
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */
package psn.shan.demo.xml.enhancedvalidator;

import java.util.Arrays;

import javax.inject.Inject;
import javax.inject.Named;

import lombok.extern.slf4j.Slf4j;

import org.springframework.context.ConfigurableApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;

import psn.shan.xml.enhancedvalidator.rules.DynamicValidationException;

/**
 * Executor <br />
 *
 * To show off what is done in rest of the project
 * Takes a non-intrusive approach where a business service is invoked.
 * Validator aspect guarantees a precondition to the business service that only valid documents will be allowed.
 *
 * @author Shan
 *
 */
@Named
@Slf4j
public class AspectExecutor {
	
	//	Mock business service
	@Inject
	PersonService mPersonService;
	
	// String Literals
	private static final String PERSON_XML = "PersonData.xml";

	private void execute() {
		try {
			mPersonService.processPerson(this.getClass().getClassLoader().getResourceAsStream(PERSON_XML));
		} catch (DynamicValidationException e) {
			log.info("Person service invocation failed.");
			for (String lMessage : e.getMessages()) {
				log.info("\t " + lMessage);
			}
		}
	}

	/**
	 * Main boilerplate
	 * 
	 * @param args
	 */
	public static void main(String[] args) {
		// Get Spring started
		log.debug("Initiating Spring Context ...");
		ConfigurableApplicationContext lAppContext = new ClassPathXmlApplicationContext("PersonDataValidator.xml");

		//	Print the list of beans in context for debug purposes
		String[] beanNames = lAppContext.getBeanDefinitionNames();
		Arrays.sort(beanNames);
		for (String beanName : beanNames) {
			log.debug(beanName + " is of type " + lAppContext.getType(beanName));
		}

		// Get the Main bean and start the show
		log.debug("Initiating the application ...");
		AspectExecutor lExecutor = lAppContext.getBean(AspectExecutor.class);
		lExecutor.execute();

		// See you later
		log.debug("Closing Spring Context and terminating the application ...");
		lAppContext.close();
	}
}
